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Arrowhead (Sagittaria latifolia)

One of our most common aquatic plants, arrowhead, occurs in a wide
variety of wetland habitats, including rivers, streams, lakes, and ponds. This
particular species, one of six known in Michigan, is our most widespread
arrowhead. It is often referred to as "duck potato" or "wapato." Leaves can vary
considerably in appearance. Flowers are borne in whorls on leafless stems, each
bearing three small, white petals. The round tubers provide an important
waterfowl food source and give this species one of its common names.